123245252242 has 32 divisors (see below), whose sum is σ = 217020787200. Its totient is φ = 51390616320.

The previous prime is 123245252159. The next prime is 123245252243. The reversal of 123245252242 is 242252542321.

It is a junction number, because it is equal to n+sod(n) for n = 123245252198 and 123245252207.

It is not an unprimeable number, because it can be changed into a prime (123245252243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81867 + ... + 503182.

It is an arithmetic number, because the mean of its divisors is an integer number (6781899600).

Almost surely, 2^123245252242 is an apocalyptic number.

123245252242 is a deficient number, since it is larger than the sum of its proper divisors (93775534958).

123245252242 is a wasteful number, since it uses less digits than its factorization.

123245252242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585466.

The product of its digits is 76800, while the sum is 34.

Adding to 123245252242 its reverse (242252542321), we get a palindrome (365497794563).

The spelling of 123245252242 in words is "one hundred twenty-three billion, two hundred forty-five million, two hundred fifty-two thousand, two hundred forty-two".